watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.1.244:2669]
Modules linked in:
CPU: 1 PID: 2669 Comm: syz.1.244 Not tainted 5.10.226-syzkaller-00709-ge5e5644ea27f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:arch_stack_walk+0xf3/0x140 arch/x86/kernel/stacktrace.c:27
Code: 48 8d bd 70 ff ff ff 4c 89 e6 4c 89 fa e8 55 f0 05 00 83 bd 70 ff ff ff 00 74 32 48 8d 9d 70 ff ff ff 48 89 df e8 6d e0 05 00 <48> 85 c0 74 1e 4c 89 f7 48 89 c6 41 ff d5 84 c0 74 11 48 89 df e8
RSP: 0018:ffffc900001704c0 EFLAGS: 00000246
RAX: ffffffff83c85cbd RBX: ffffc900001704c0 RCX: 0000000000170501
RDX: 1ffff9200002e09a RSI: ffffc90000170938 RDI: ffffffff83c85cbd
RBP: ffffc90000170550 R08: ffffc900001705a8 R09: 0000000000000002
R10: ffffc900001705b0 R11: dffffc0000000001 R12: ffff888121e30000
R13: ffffffff8159b790 R14: ffffc900001705a0 R15: 0000000000000000
FS:  00007f780ce2b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f780ce0ad58 CR3: 0000000138c0c000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:121
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:430 [inline]
 __kasan_slab_alloc+0xb1/0xe0 mm/kasan/common.c:463
 kasan_slab_alloc include/linux/kasan.h:244 [inline]
 slab_post_alloc_hook+0x61/0x2f0 mm/slab.h:583
 slab_alloc_node mm/slub.c:2947 [inline]
 slab_alloc mm/slub.c:2955 [inline]
 kmem_cache_alloc+0x168/0x2e0 mm/slub.c:2960
 dst_alloc+0x17d/0x590 net/core/dst.c:93
 ip6_dst_alloc net/ipv6/route.c:340 [inline]
 icmp6_dst_alloc+0xfc/0x560 net/ipv6/route.c:3164
 ndisc_send_skb+0x25a/0xc00 net/ipv6/ndisc.c:491
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3964
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x49/0x70 kernel/locking/spinlock.c:199
Code: 08 00 74 0c 48 c7 c7 f0 77 6c 86 e8 81 bb f5 fc 48 83 3d 99 ec b9 01 00 74 2a 48 89 df e8 e3 18 9e fc 66 90 fb bf 01 00 00 00 <e8> 82 88 96 fc 65 8b 05 17 e2 4f 7b 85 c0 74 03 5b 5d c3 e8 83 f0
RSP: 0018:ffffc90000157ba8 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffff8881f7155fc0 RCX: dffffc0000000000
RDX: 0000000040000002 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000157bb0 R08: ffffffff8188e699 R09: fffffbfff0dc764b
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7155fc0
R13: ffff888121e30000 R14: dffffc0000000000 R15: 0000000000000000
 finish_lock_switch kernel/sched/core.c:3784 [inline]
 finish_task_switch+0x130/0x5a0 kernel/sched/core.c:3884
 context_switch kernel/sched/core.c:4049 [inline]
 __schedule+0xbee/0x1330 kernel/sched/core.c:4804
 preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:5065
 irqentry_exit_cond_resched kernel/entry/common.c:365 [inline]
 irqentry_exit+0x4f/0x60 kernel/entry/common.c:395
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:fput_many+0x1/0x1b0 fs/file_table.c:336
Code: 00 00 48 85 db 74 0a e8 ad 92 b9 ff 49 89 df eb d0 e8 a3 92 b9 ff eb 05 e8 9c 92 b9 ff 5b 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 89 f3 49 89 ff e8 79 92 b9 ff
RSP: 0018:ffffc90000157ea0 EFLAGS: 00000287
RAX: ffffffff81b11c3d RBX: ffff888118a84000 RCX: 0000000000040000
RDX: ffffc90003391000 RSI: 0000000000000001 RDI: ffff888118a84000
RBP: ffffc90000157eb8 R08: ffffffff81b5934d R09: ffffed1021229b55
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000200006c0
R13: ffff888118a84000 R14: ffff888118a84001 R15: 0000000000005452
 fdput include/linux/file.h:46 [inline]
 __do_sys_ioctl fs/ioctl.c:756 [inline]
 __se_sys_ioctl+0x177/0x190 fs/ioctl.c:739
 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:739
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f780e1b1ff9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f780ce2b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f780e369f80 RCX: 00007f780e1b1ff9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007f780e224296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f780e369f80 R15: 00007ffdb63fab48
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2126 Comm: syz.0.185 Not tainted 5.10.226-syzkaller-00709-ge5e5644ea27f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:hrtimer_add_expires include/linux/hrtimer.h:269 [inline]
RIP: 0010:hrtimer_forward+0xdf/0x2c0 kernel/time/hrtimer.c:964
Code: fe e8 05 c3 0f 00 4d 39 fd 0f 83 49 01 00 00 e8 e7 c0 0f 00 b8 01 00 00 00 48 89 45 d0 48 8b 5d c0 48 8b 45 b8 42 80 3c 30 00 <74> 08 48 89 df e8 a7 5a 4d 00 49 bd ff ff ff ff ff ff ff 7f 4c 8b
RSP: 0018:ffffc90000007798 EFLAGS: 00000046
RAX: 1ffff110245eca2e RBX: ffff888122f65170 RCX: ffff88810cd9bb40
RDX: 0000000000010100 RSI: 0000000000002710 RDI: 0000000000001194
RBP: ffffc900000077f0 R08: ffffffff815aebfb R09: ffffed10245eca68
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888122f65190
R13: 0000000000001194 R14: dffffc0000000000 R15: 0000000000002710
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f780ce09f98 CR3: 000000000660f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 hrtimer_forward_now include/linux/hrtimer.h:504 [inline]
 perf_swevent_hrtimer+0x4b8/0x560 kernel/events/core.c:10468
 __run_hrtimer kernel/time/hrtimer.c:1585 [inline]
 __hrtimer_run_queues+0x3d7/0xa50 kernel/time/hrtimer.c:1649
 hrtimer_interrupt+0x39a/0x8b0 kernel/time/hrtimer.c:1711
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1083 [inline]
 __sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1100
 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:91 [inline]
 sysvec_apic_timer_interrupt+0xba/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:wg_expired_send_persistent_keepalive+0x0/0x80 drivers/net/wireguard/timers.c:136
Code: ff 89 d9 80 e1 07 38 c1 0f 8c d1 fe ff ff 48 89 df e8 a4 27 bd fe e9 c4 fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 53 49 89 ff e8 ff 8d 7f fe 4d 8d 77 3c 4c
RSP: 0018:ffffc90000007d78 EFLAGS: 00000206
RAX: ffffffff815ae33e RBX: ffff8881f7047840 RCX: ffff88810cd9bb40
RDX: 0000000000000100 RSI: ffffffff82eb1ee0 RDI: ffff888130f5bfa0
RBP: ffffc90000007db0 R08: ffffffff815adfff R09: 0000000000000003
R10: fffff52000000fa8 R11: dffffc0000000001 R12: 000000010001dec0
R13: 0000000000000100 R14: ffffffff82eb1ee0 R15: ffff888130f5bfa0
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:update_stack_state+0x289/0x460 arch/x86/kernel/unwind_frame.c:252
Code: 00 74 08 4c 89 f7 e8 b6 27 76 00 49 83 3e 00 48 8b 45 a8 4c 8b ad 78 ff ff ff 74 22 44 3b 7d a4 75 1c 48 3b 45 98 73 16 31 db <89> d8 48 81 c4 90 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 4d 85
RSP: 0018:ffffc900013bf2d0 EFLAGS: 00000282
RAX: 1ffff92000277e8d RBX: ffffc900013bf401 RCX: 1ffff92000277e8f
RDX: 1ffff92000277e86 RSI: ffffc900013bf750 RDI: ffffc900013bf478
RBP: ffffc900013bf388 R08: ffffc900013bf508 R09: 0000000000000000
R10: ffffc900013bf510 R11: dffffc0000000001 R12: 1ffff92000277e8c
R13: 0000000000000000 R14: ffffc900013bf460 R15: dffffc0000000000
 unwind_next_frame+0x3cb/0x700 arch/x86/kernel/unwind_frame.c:305
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:121
 save_stack+0x97/0x240 mm/page_owner.c:146
 __reset_page_owner+0x36/0x150 mm/page_owner.c:174
 reset_page_owner include/linux/page_owner.h:28 [inline]
 free_pages_prepare mm/page_alloc.c:1349 [inline]
 free_pcp_prepare mm/page_alloc.c:1421 [inline]
 free_unref_page_prepare+0x2ae/0x2d0 mm/page_alloc.c:3336
 free_unref_page mm/page_alloc.c:3391 [inline]
 free_the_page+0x9e/0x370 mm/page_alloc.c:5407
 __free_pages+0x67/0xc0 mm/page_alloc.c:5418
 __vunmap+0x7bc/0x8f0 mm/vmalloc.c:2301
 __vfree mm/vmalloc.c:2349 [inline]
 vfree+0x5c/0x80 mm/vmalloc.c:2380
 kcov_put kernel/kcov.c:408 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:510
 __fput+0x33d/0x7b0 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x129/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xc83/0x2a50 kernel/exit.c:863
 do_group_exit+0x141/0x310 kernel/exit.c:985
 get_signal+0x10a0/0x1410 kernel/signal.c:2790
 arch_do_signal_or_restart+0xbd/0x17c0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0x9b/0xd0 kernel/entry/common.c:169
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 syscall_exit_to_user_mode+0xa2/0x1a0 kernel/entry/common.c:274
 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f6fab619ff9
Code: Unable to access opcode bytes at RIP 0x7f6fab619fcf.
RSP: 002b:00007f6faa251038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007f6fab7d2130 RCX: 00007f6fab619ff9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 000000000000000c
RBP: 00007f6fab68c296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6fab7d2130 R15: 00007ffc6377c0e8